Question about Carrier 52CQ-312-4 Comfort Series Heat Pump Air Conditioner

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Find limit switch HH197H175A

Find replacement limit switch for carrier 52SQA307301AA

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Your local Carrier dealer or appliance parts house should be able to help you.

Posted on Nov 07, 2016

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6ya6ya

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Posted on Jan 02, 2017

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1 Answer

What carrier product has model number 52SQA307301AA?


that is a Carrier Room Air Conditioning Model number

Jan 06, 2016 | Carrier Heating & Cooling

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Carrier 8000 weathermaker 92000 btu


If it works with blower door off sounds like it's not getting enough return. What's the statics? Try an adjustable limit, I think they go to 210. Good Luck!!

If you need further help, reach me via phone at https://www.6ya.com/expert/thomas_092728000e6acb79

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I have a carrier furnace and the led light is blinking 3 short then three long what is the code


code 33 LIMIT OR FLAME ROLL-OUT SWITCH IS OPEN - If open longer than three
minutes, code changes to #13. Flame roll-out switch requires manual reset.
Check for: - Dirty filter or restricted duct system. - Loose blower wheel.
- Defective blower motor or capacitor. - Defective switch or connections.
- Inadequate combustion air supply (Flame Roll-out Switch or fuse link open).
- Open Flame Roll-out switch, or fuse link. Manual reset or replace.

Apr 19, 2011 | Carrier 38BRC036 Air Conditioner

1 Answer

My heater flame ignites but when blower starts the flame shuts off does any one know whats the problem


Sounds like a bad heat exchanger. The flame could be coming out, and throwing the Flame roll out limit switch. Could just be limit switches.

Dec 20, 2010 | Carrier 38CKC036 Air Conditioner

1 Answer

Carrier Furnace infinity 96.model 58MVP060-F-18114. Furnace heats


Sounds like it could be your fan limit switch. Part costs about 20 bucks and is fairly simple to replace. This limit switch is a safety that prevents your furnace from over heating. Usually when your t/s is satisfied the blower runs for a little longer after the burners have stopped, and the reason for that is the limit switch. The blower is supposed to cool this limit switch to a certain temp. and once it reaches this temp it shuts the blower off. Yours is stuck:(


I’m happy to help further over the phone at https://www.6ya.com/expert/george_083af2f0afc0328b

Feb 13, 2010 | Heating & Cooling

1 Answer

Furnace overload limit switch


Here is the service manual with wiring diagram.

Dec 19, 2009 | Carrier XHB123D X/Y Series Heat/Cool Air...

1 Answer

Carrier 58 Series Furnace Blower Motor Won't Shut Off


Yes. If the high limit is tripped, the furnace will bring on the fan continuously until the limit resets. Often, they will not reset if tripped repeatedly. If the furnace is too large for your application, you probably are not able to move enough air to keep the heat exchanger cool enough.

Oct 03, 2009 | Heating & Cooling

3 Answers

Pressure, draft safeguard, or aux limit swtch did not close or re


The limit switch on the inducer has tripped. There are two wires that go to a small disk about the size of dime that has a small button in the center. Push this little button and you will feel a littl snap and the unit should fire up. Check all the manual reset limits as well. If the unit still won't start, jump the two wires by bypassing the limit switch. If it starts, then replace the switch. Bypassing the switch is only temporary and could lead to death if it is used as a permenant fix.

Apr 03, 2009 | Carrier XHB123D X/Y Series Heat/Cool Air...

1 Answer

Pressure, draft safeguard, or aux limit swtch did not close or re


The limit switches are two wires that go to a small disk about the size of a dime. There should be a tiny button between the wires. Find all the limits and push them to reset them. The draft safeguard is the one that is located where the flu pipe leaves the unit. Sometimes the limits are stubborn and it's hard to push them in. If you can't get it reset then the limit will need to be replaced but it can be bypassed temporarily by jumping the two wire together. Do no do this as a permanent fix. It can cause death.

Apr 03, 2009 | Carrier Heating & Cooling

1 Answer

Run(heat) for a certain minutes then it stop.


You may have a durty evaporator coil do to a durty filter, the heat is cuting off by the limit control sensor

Feb 04, 2009 | Carrier XHB123D X/Y Series Heat/Cool Air...

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